In-line Check Valve for CO2
- Made from quality stainless steel
- Can withstand extremely high pressure
- Provides extra protection against back-siphoning
The SR Aquaristik In-Line Check Valve is ideal for use with CO2 systems or air pumps, to prevent back-siphoning of aquarium water into the pump or regulator. Fits standard 4/6 mm airline or CO2-resistant tubing.